Device for Supplying Power to External Device and Method Therefor

2. The electronic device of claim 1, wherein the plurality of pins is configured to obtain information on the connected peripheral electronic device.

3. The electronic device of claim 1, wherein the control circuit is configured to determine the first maximum charging current and the second maximum charging current to be different values.

4. The electronic device of claim 1, wherein the control circuit is configured to increase the second maximum charging current when recognizing disconnection of the first peripheral electronic device.

6. The electronic device of claim 1, wherein a sum of the first maximum charging current and the second maximum charging current is less than or equal to a value of a maximum charging current capable of being supplied by the power supply circuit.

7. The electronic device of claim 1, wherein the control circuit is configured to receive information on a battery status from a peripheral electronic device connected to a first interface of the plurality of interfaces and determine at least one of a first maximum charging current or a maximum power to be supplied to the peripheral electronic device connected to the first interface based on the information on the battery status.

8. The electronic device of claim 7, wherein the control circuit is configured to transfer information on the first maximum charging current to the peripheral electronic device connected to the first interface.

9. The electronic device of claim 7, wherein the control circuit is configured to receive the information on the battery status through a bi-phase mark code (BMC).

10. The electronic device of claim 7, wherein the information on the battery status includes at least one of battery remaining capacity information and power information necessary for the peripheral electronic device.

11. The electronic device of claim 3, wherein the control circuit is configured to determine the first maximum current and the second maximum current based on a number of peripheral electronic devices connected to the electronic device.

12. The electronic device of claim 1, wherein the power supply circuit is configured to supply power via VBUS.